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OpenStudy (anonymous):
the length of a rectangle is 5 cm less than twice its width. the perimeter of the rectangle is 38 cm. what are the dimensions of the rectangle ?
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OpenStudy (anonymous):
l=2w-5 2l+2w=38 set up a system of eqns then plug in l 2(2w-5)+2w=38 4w-10+2w=38 6w-10=38 6w=48 w=8 width is 8 cm l=2(8)-5 l=11cm
OpenStudy (anonymous):
THANK YOU SO MUCH!
OpenStudy (anonymous):
np :) hope u understood how i got that
OpenStudy (anonymous):
yes i did! very well :D
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